HO

Hitoshi Oka

HE Hitachi Kokusai Electric: 2 patents #2 of 38Top 6%
Tdk: 2 patents #76 of 371Top 25%
HI Hitachi: 1 patents #1,533 of 3,950Top 40%
KE Kokusai Electric: 1 patents #6 of 38Top 20%
Overall (2002): #9,489 of 266,432Top 4%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6461532 Piezoelectric ceramic material Masakazu Hirose, Yasuo Watanabe, Junji Terauchi 2002-10-08
6443168 Plate-like specimen fluid-treating apparatus and plate-like specimen fluid-treating method Fumio Morita, Masataka Fujiki, Noriyuki Oroku, Yuichirou Tanaka 2002-09-03
6431190 Fluid processing apparatus Fumio Morita, Masataka Fujiki, Akinobu Yamaoka 2002-08-13
6401734 Substrate treating apparatus Fumio Morita, Masataka Fujiki, Noriyuki Oroku, Yuichirou Tanaka 2002-06-11
6398978 Piezoelectric ceramic Masakazu Hirose, Takeo Tsukada 2002-06-04